SOLUTION: please i need help with this function f(x)=x^2+5, find f(a+h)-f(a)

Algebra.Com
Question 72855: please i need help with this function f(x)=x^2+5, find f(a+h)-f(a)
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
f(x)=x^2+5, find f(a+h)-f(a)
--------
Caluculate each term separately:
f(a+h)=(a+h)^2+5
=a^2+2ah+h^2+5
f(a)=a^2+5
--------
Subtract f(a) from f(a+h) to get:
2ah+h^2
=========
Cheers,
Stan H.

RELATED QUESTIONS

Hi I need some help with evaluating this function. f(x)=abs(x)/x;... (answered by HyperBrain)
for the function f defined by f(x)=4x^2+5x+9, find the following values: a. f(-2)= b.... (answered by math-vortex)
Can someone please help me on the following problem? I need to evaluate this... (answered by rcmcc)
Evaluate each function for the value specified. f(x)=x^2-7x+10; find (a)f(0), (b)f(5), (answered by solver91311)
Let f be the function defined by f(x)=2x^2+5. Find f(a+h), f(-a), f(a^2), f(a-2h),... (answered by solver91311,josgarithmetic)
I need help finding the difference quotient for the following function. F(x)=5x-4... (answered by Edwin McCravy)
I need help finding the difference quotient for the following function. F(x)=5x-4... (answered by josgarithmetic)
2. Find the components f and g so that f◦g = H. H(x)= ln(x³-8) I really need... (answered by richard1234)
Find f(a), f(a + h),and the difference quotient f(a + h) − f(a)/h, where h ≠... (answered by Fombitz)